Finding the Fourth Proportional to 80,970.14, 111,790.78 and 50,796.83

Step by Step Solution

1. Step 1: Write the proportion equation
   80,970.14 : 111,790.78 = 50,796.83 : x
2. Step 2: Convert to fraction form
   80,970.14/111,790.78 = 50,796.83/x
3. Step 3: Cross multiply
   80,970.14x = 111,790.78 × 50,796.83
4. Step 4: Simplify right side
   80,970.14x = 5,678,617,399.71
5. Step 5: Solve for x
   x = 5,678,617,399.71/80,970.14
6. Step 6: Final answer
   x = 70,132.24